/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.webbeans.portable;
import java.util.Map;
import javax.enterprise.inject.spi.Interceptor;
import javax.inject.Provider;
import org.apache.webbeans.config.WebBeansContext;
import org.apache.webbeans.context.creational.CreationalContextImpl;
import org.apache.webbeans.proxy.NormalScopeProxyFactory;
import org.apache.webbeans.util.WebBeansUtil;
public class ProviderBasedProducer<T> extends AbstractProducer<T>
{
private WebBeansContext webBeansContext;
private Class<T> returnType;
private Provider<T> provider;
private T proxyInstance;
private boolean proxy;
public ProviderBasedProducer(WebBeansContext webBeansContext, Class<T> returnType, Provider<T> provider, boolean proxy)
{
this.webBeansContext = webBeansContext;
this.returnType = returnType;
this.provider = provider;
this.proxy = proxy;
}
@Override
protected T produce(Map<Interceptor<?>, ?> interceptors, CreationalContextImpl<T> creationalContext)
{
if (proxyInstance == null)
{
if (proxy)
{
NormalScopeProxyFactory proxyFactory = webBeansContext.getNormalScopeProxyFactory();
ClassLoader loader = returnType.getClassLoader();
if (loader == null)
{
loader = WebBeansUtil.getCurrentClassLoader();
}
Class<T> proxyClass = proxyFactory.createProxyClass(loader, returnType);
proxyInstance = proxyFactory.createProxyInstance(proxyClass, provider);
}
else
{
proxyInstance = provider.get();
}
}
return proxyInstance;
}
}